.is_not_on_nih_network .restrict_media .video-detail-container .wp-block-video:after
,.is_not_on_nih_network .restrict_media .video-detail-container .wp-video:after {
    position: absolute;
    opacity: 1;
    color: #fff;
    content: 'You must be using the NIH VPN or local network (on site) to access to this video.';
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: rgb(0 0 0 / 77%);
    font-size: 36px;
    padding: 18px;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    pointer-events: none;
}

.is_not_on_nih_network .restrict_media .wp-block-video
,.is_not_on_nih_network .restrict_media .wp-video {
    position:relative;
    width:100%;
    vertical-align:top;
}